(19)

(11)

EP 2 628 333 A1

(12)

(43) Date of publication: 21.08.2013 Bulletin 2013/34 (21) Application number: 10858359.2 (22) Date of filing: 13.10.2010

(51) International Patent Classification (IPC):  H04W 28/26(2009.01) (86) International application number: PCT/IB2010/054635 (87) International publication number: WO 2012/049533 (19.04.2012 Gazette 2012/16)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (71) Applicant: Nokia Corporation 02150 Espoo (FI)	(72) Inventors: KNECKT, Jarkko FI-02330 Espoo (FI) RINNE, Mika FI-02320 Espoo (FI) (74) Representative: Jaatinen, Jussi Imari  Nokia Corporation Intellectual Property Department Keilalahdentie 4 02150 Espoo 02150 Espoo (FI)